Vamos lá:
free:
===
paulo@mandachuva:~$ free
total used free shared buffers cached
Mem: 1035684 514976 520708 0 21408 277080
-/+ buffers/cache: 216488 819196
Swap: 3028212 0 3028212
/etc/fstab (alterei manualmente o UUID, como me orientou!)
======
# /etc/fstab: static file system information.
#
# <file system> <mount point> <type> <options> <dump> <pass>
proc /proc proc defaults 0 0
# /dev/sda1
UUID=97918e84-12ba-4987-a396-32083acf6880 / ext3 defaults,errors=remount-ro 0 1
# /dev/sda2
UUID=669b1a33-8dc1-4dea-8e96-b4f552bf0247 /home ext3 defaults 0 1
# /dev/sda5
UUID=364fdb11-f923-4044-8683-0d0cf56a1ef7 none swap sw 0 0
/dev/scd0 /media/cdrom0 udf,iso9660 user,noauto,exec 0 0
/dev/fd0 /media/floppy0 auto rw,user,noauto,exec 0 0